Question

A toy factory manufactures d dolls every hour.Each dolls costs e cents.How much money will the factory spend in costs for manufacturing dolls in 7 hours and 30 minutes?​

Answer 1

in 7hours and 30 mn the cost will be (7.5×d×e) cents

Explanation:

`\begin{matrix}\text{Time} &1h&7.5h\\ \text{number of dolls} &d&7.5\\ \text{Cost} &d* e&7.5* d* e\end{matrix}`